@rickosborne/rebound/random-bounded.cjs

Rick Osborne's utilities for working with bounded numbers

"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __name = (target, value) => __defProp(target, "name", { value, configurable: true });
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var random_bounded_exports = {};
__export(random_bounded_exports, {
  randomBounded: () => randomBounded
});
module.exports = __toCommonJS(random_bounded_exports);
var import_foundation = require("@rickosborne/foundation");
var import_typed_function = require("./typed-function.cjs");
const randomBounded = /* @__PURE__ */ __name((typeName, label, isLowerInc, lower, isInt, upper, isUpperInc, rng = (0, import_foundation.randomNumberGenerator)(), fnName = `random${typeName}`) => {
  if (!Number.isFinite(upper) || !Number.isFinite(lower)) {
    throw new RangeError(`${typeName}: Unbounded random`);
  }
  const high = upper + (isUpperInc ? isInt ? 1 : Number.MIN_VALUE : 0);
  let low = lower + (isLowerInc ? 0 : isInt ? 1 : Number.MIN_VALUE);
  const range = high - low;
  const minRange = isInt ? 2 : 2 * Number.MIN_VALUE;
  let fn;
  if (range < minRange) {
    throw new RangeError(`${typeName}: Random range too narrow`);
  } else if (isInt) {
    fn = /* @__PURE__ */ __name(() => rng.range(low, high), "fn");
  } else {
    fn = /* @__PURE__ */ __name(() => rng.float01() * range + low, "fn");
  }
  return (0, import_typed_function.addTypedProperties)(fn, {
    label,
    upper,
    lower,
    isUpperInc,
    isLowerInc,
    isInt
  }, typeName, fnName);
}, "randomBounded");
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